package game;

import javax.swing.*;

public class dljf extends JFrame {
    public dljf(){
        this.setSize(488, 430);//设置宽高
        this.setTitle("登录");
        this.setAlwaysOnTop(true);//最上方
        this.setLocationRelativeTo(null);//居中
        this.setDefaultCloseOperation(3);//设置关闭程序
        this.setVisible(true);
    }
}
